Repair and repair the glaze sealing car grinder $ 0.99 Type: Portable polishing machine Working principle: disc polishing machine Power supply type: car power supply Rated input power: 60 (W) Diameter of polishing wheel: 20 (mm) No-load speed: 6000 (rpm) Number of revolutions: 6000 (rpm) Output power: 60 (W) Variable speed mode: Infinitely variable speed Applicable object: car